sap是什么意思

网络释义

用法例句

Development of birch juice and it′s application in food industry;

桦树汁及其在食品工业中的应用研究现状

The result of the investigation on output of birch juice in the Qinling Mountains shows that birch trees produce birch juice from early April to early May, in a high output period, a birch tree produces 8.

6kg；平均每公顷桦树林年产汁量约为51t以上，与其他部份桦树汁产区比较属于桦树计高产林区。

The method of birch juice collection as well as the process, quality standards and nutritional value of birch juice (fermented) wine are introduced.

介绍了桦树汁的采集方法和桦树汁发酵酒的加工工艺、质量标准及营养价值。